Hull for a catamaran sailboat



FIG. 1 is a bottom perspective view of the hull for a catamaran sailboat showing our new design;

FIG. 2 is a side elevational view thereof, the opposite side being a mirror image of that shown;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a top plan view thereof. 

The ornamental design for a hull for a catamaran sail boat, as shown and described. 